package com.atguigu.gulimall.ware.config;

import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyRabbitConfig {
    //序列化机制

    @Bean
    public MessageConverter getMessageConverter(){

        return new Jackson2JsonMessageConverter();
    }
//    @RabbitListener(queues = "stock.release.stock.queue")
//    public void handle(Message message){
//
//
//    }
    @Bean
    public Exchange stockEventExchage(){


       return   new TopicExchange("stock-event-exchange",true,false);


    }

    @Bean
    public Queue stockReleaseStockQueue(){

        return new Queue("stock.release.stock.queue",true,false,false);
    }

    /**
     * 延时队列
     * @return
     */
    @Bean
    public Queue stockDelayQueue(){

        Map<String,Object> args = new HashMap<>();

        args.put("x-dead-letter-exchage","stock-event-exchange");
        args.put("x-dead-letter-key","stock.release");
        args.put("x-message-ttl",120000);
        return new Queue("stock.delay.queue",true,false,false,args);
    }

    @Bean
    public Binding stockReleaseBinding(){

        return new Binding("stock.release.stock.queue",Binding.DestinationType.QUEUE,"stock-event-exchange",
                "stock.release.#",null);
    }

    @Bean
    public Binding stockLockedBinding(){

        return new Binding("stock.delay.queue",Binding.DestinationType.QUEUE,
                "stock-event-exchange","stock.locked",null);
    }
}
